The phone company Splint has a monthly cellular plan where a customer pays a flat monthly fee and then a certain amount of money per minute used on the phone. If a customer uses 490 minutes, the monthly cost will be $216. If the customer uses 550 minutes, the monthly cost will be $240. A) Find an equation in the form y = mx + b, where æ is the number of monthly minutes used and y is the total monthly of the Splint plan. Answer: y = Preview B) Use your equation to find the total monthly cost if 672 minutes are used. Answer: If 672 minutes are used, the total cost will be |dollars.
The phone company Splint has a monthly cellular plan where a customer pays a flat monthly fee and then a certain amount of money per minute used on the phone. If a customer uses 490 minutes, the monthly cost will be $216. If the customer uses 550 minutes, the monthly cost will be $240. A) Find an equation in the form y = mx + b, where æ is the number of monthly minutes used and y is the total monthly of the Splint plan. Answer: y = Preview B) Use your equation to find the total monthly cost if 672 minutes are used. Answer: If 672 minutes are used, the total cost will be |dollars.
Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter8: Rational Expressions And Equations
Section8.9: Use Direct And Inverse Variation
Problem 506E: The volume of a gas in a container varies inversely as the pressure on the gas. If a container of...
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Transcribed Image Text:The phone company Splint has a monthly cellular plan where a customer pays a flat monthly fee and then a certain
amount of money per minute used on the phone. If a customer uses 490 minutes, the monthly cost will be $216. If
the customer uses 550 minutes, the monthly cost will be $240.
A) Find an equation in the form y = mx + b, where æ is the number of monthly minutes used and y is the total
monthly of the Splint plan.
Answer: y =
Preview
B) Use your equation to find the total monthly cost if 672 minutes are used.
Answer: If 672 minutes are used, the total cost will be
|dollars.
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